NetHack 5.0.0: Release Notes
NetHack 5.0 is an enhancement to the dungeon exploration game NetHack, which is a distant descendent of Rogue and Hack, and a direct descendent of NetHack 3.6.
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A list of over 3100 fixes and changes can be found in the game's sources in the file doc/fixes5-0-0.txt. The text in there was written for the development team's own use and is provided "as is". Some entries might be considered "spoilers", particularly in the "new features" section.